diff options
Diffstat (limited to 'realtec.c')
| -rw-r--r-- | realtec.c | 30 |
1 files changed, 25 insertions, 5 deletions
@@ -20,6 +20,14 @@ uint8_t realtec_detect(uint8_t *rom, uint32_t rom_size) return memcmp(rom + 0x7E100, "SEGA", 4) == 0; } +static realtec *get_realtec(genesis_context *gen) +{ + if (!gen->extra) { + gen->extra = gen->m68k->mem_pointers[0]; + } + return gen->extra; +} + static void *realtec_write_b(uint32_t address, void *context, uint8_t value) { if (address & 1) { @@ -27,12 +35,8 @@ static void *realtec_write_b(uint32_t address, void *context, uint8_t value) } m68k_context *m68k = context; genesis_context *gen = m68k->system; - if (!gen->extra) { - gen->extra = m68k->mem_pointers[0]; - } - realtec *r = gen->extra; + realtec *r = get_realtec(gen); uint32_t offset = address >> 13; - uint8_t dirty = 0; if (offset < 3 && r->regs[offset] != value) { r->regs[offset] = value; //other regs are only 3 bits, so assume 3 for this one too @@ -61,6 +65,21 @@ static void *realtec_write_w(uint32_t address, void *context, uint16_t value) return realtec_write_b(address, context, value >> 8); } +void realtec_serialize(genesis_context *gen, serialize_buffer *buf) +{ + realtec *r = get_realtec(gen); + save_buffer8(buf, r->regs, sizeof(r->regs)); +} + +void realtec_deserialize(deserialize_buffer *buf, genesis_context *gen) +{ + realtec *r = get_realtec(gen); + for (int i = 0; i < sizeof(r->regs); i++) + { + realtec_write_b(i << 13, gen, load_int8(buf)); + } +} + rom_info realtec_configure_rom(uint8_t *rom, uint32_t rom_size, memmap_chunk const *base_map, uint32_t base_chunks) { rom_info info; @@ -104,6 +123,7 @@ rom_info realtec_configure_rom(uint8_t *rom, uint32_t rom_size, memmap_chunk con info.eeprom_map = NULL; info.rom = rom; info.rom_size = rom_size; + info.mapper_type = MAPPER_REALTEC; info.is_save_lock_on = 0; info.port1_override = info.port2_override = info.ext_override = info.mouse_mode = NULL; info.map_chunks = base_chunks + 2; |